function Cuse=getcuse(SCi,nc,Ccount,channel_number,interface)
Cnum=0;
Cuse=[];
for i=SCi
    if(i==nc)
        Cnum=Cnum+1;
    end
end
Ccount=Ccount+Cnum;
if(Ccount>interface||nc==0)
 Cuse=find(SCi>=nc);
else
    Cuse=getcuse(SCi,nc-1,Ccount,channel_number,interface);
end